EP3557090A1 - Unité d'étrier de frein - Google Patents

Unité d'étrier de frein Download PDF

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Publication number
EP3557090A1
EP3557090A1 EP18167668.5A EP18167668A EP3557090A1 EP 3557090 A1 EP3557090 A1 EP 3557090A1 EP 18167668 A EP18167668 A EP 18167668A EP 3557090 A1 EP3557090 A1 EP 3557090A1
Authority
EP
European Patent Office
Prior art keywords
piston
brake
cylinder
caliper unit
brake caliper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18167668.5A
Other languages
German (de)
English (en)
Inventor
Adolf Kochsiek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP18167668.5A priority Critical patent/EP3557090A1/fr
Priority to US17/047,902 priority patent/US20210108688A1/en
Priority to ES19720776T priority patent/ES3025792T3/es
Priority to CN201980026223.6A priority patent/CN112074669A/zh
Priority to PCT/EP2019/058978 priority patent/WO2019201682A1/fr
Priority to EP19720776.4A priority patent/EP3781832B1/fr
Publication of EP3557090A1 publication Critical patent/EP3557090A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
    • F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/005—Components of axially engaging brakes not otherwise provided for
    • F16D65/0068—Brake calipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/183—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with force-transmitting members arranged side by side acting on a spot type force-applying member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0016—Brake calipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0066—Brakes having more than one actuator on the same side of the disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F16D2121/08—Fluid pressure acting on a membrane-type actuator, e.g. for gas pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/04—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/06—Pistons

Definitions

  • the present invention relates to a brake caliper unit for disc brakes.
  • Disc brake systems are well known in the art and are widely used. These are rotating disks mounted on axles and shafts which pass through a slot in a caliper unit.
  • operable pistons are arranged by a pressure medium, which exert pressure on pressure pads on a brake pad, which is usually positioned plate-shaped between the piston and disc. Due to the propelling piston brake pad is pressed against the disc and thus braked.
  • Systems are known in which the pressure is exerted on one side, so that a brake lining is arranged so as to be able to move in a floating manner parallel to its friction surface in relation to a brake disk. Brake linings positioned on both sides of the disc are thus guided onto the brake disc.
  • double-sided operated caliper units in which pressure is given on both sides of the brake disc on the piston so that brake pads are driven on both sides.
  • Pneumatic brake systems bring with them the problem of the necessary pressurization.
  • Conventional brake pistons are round cylindrical units which exert pressure on plate-shaped brake pad units.
  • the available for pneumatic pressure piston surface is low in terms of power requirements, so that here the pneumatic pressure must be set extremely high. This leads to high operating costs and high design costs for the pneumatic system, lines, seals and the like.
  • pneumatic pressures can not be as high as hydraulic because the air can be compressed more.
  • the generation of high pneumatic pressures is uneconomical.
  • the invention has the object , a caliper unit of the generic type to the effect that this is suitable for use in pneumatic brake systems.
  • the piston and cylinder of a piston-cylinder arrangement have a non-circular cross-section, that is, they are not circular, but may have a non-circular cross-sectional shape.
  • an elliptical shape is proposed.
  • a polygonal shape, a polygon or a cycloid are basically suitable.
  • the possibility is created, the piston surface, which is acted upon with pressure medium, form correspondingly large.
  • tandem piston is understood in the art, at least in the context of the present invention, an arrangement where successively connected piston units are pressurized, wherein the pressure on one of the piston increases the pressure on the subsequent piston accordingly.
  • tandem cylinders two individual pressure pistons are mounted one behind the other. A primary piston is actuated by the plunger, but at the same time pressurized.
  • the plunger moving piston is also pressurized.
  • tandem brake cylinder is used analogously in the context of the present invention, it is basically a series circuit of pressure piston units, with the result that the resulting pressure is increased accordingly. This increase can exceed 75%.
  • the inventive measures of increasing the effective piston area and the tandem design sufficient pressure is generated by a pneumatic system in order to exert sufficient force on the brake pads can.
  • At least two piston / cylinder arrangements are arranged side by side. It may also be the parallel arrangement of several piston / cylinder arrangements in order to increase the friction surface by a corresponding number of brake pads can.
  • the brake pistons are designed for floating arrangement on a wheel assembly. This means that the brake piston can move parallel to the friction surface of the brake disc relative to this. In this way, there is always an automatic centering of the brake disc in the brake caliper slot.
  • the carrier may have a receiving chamber for the piston / cylinder assembly.
  • the piston / cylinder arrangement has a pot-shaped piston which has a non-circular cross-section and serves to drive the brake pad.
  • the tandem formation is formed by two cup-shaped piston units guided into one another, wherein the inner piston unit forms a cylinder space for a piston and is penetrated by the piston rod connected to the piston.
  • This piston rod in turn is connected to the outer cup-shaped piston, which receives the inner pot-shaped piston in its interior.
  • the outer pot-shaped piston unit thus forms a cylinder space for the inner pot-shaped unit, which thus forms another piston.
  • a caliper unit which is suitable to carry out the construction of a sufficient pressure when operating with pneumatic pressure medium, that is compressed air.
  • FIGS. 1 to 3 show the general structure of a caliper unit 1, which consists of a carrier 2, in which receiving spaces 3 are formed for brake piston.
  • a caliper unit 1 runs over a only in Fig. 1 indicated brake disk 4, which passes between two opposite brake piston receiving chambers 3, as the Figures 2 and 3 demonstrate.
  • the carrier 2 is formed in two parts and by means of screws 5, the two halves are connected.
  • Fig. 4 shows the structure of a brake piston unit according to the invention, which is arranged in a receiving space 3 in the carrier.
  • the designated with brake piston 10 element presses with its outer pressure surface 11 a brake pad, not shown, against the disc.
  • the brake piston 10 by means of a piston 12 which is guided in a cylinder 13 and is connected to the connection 19 via its piston rod 16 with the brake piston 10, moves.
  • pressure medium lines 15 are formed to bring the pressure medium in the region inside the cylinder 13 below the piston 12.
  • the piston rod 16 extends through a cylinder head plate 17, which has an opening 18 for this purpose.
  • the cylinder head plate 17 is the cylinder 13 occlusive disposed thereon.
  • the brake piston 10 is also advanced via the piston rod 16, which is fastened in the connection 18 of the brake piston 10. It creates a further space between the cylinder head plate 17 and the interior of the brake piston 10. About a pressure medium line 20 further pressure medium is guided in this resulting gap and generated at this point an additional pressure, so that the brake piston 10 can exert an additional force.
  • the acting piston surfaces add up, thus a lower pressure is required for the same braking force.
  • three elliptical receiving spaces 3 are formed for brake piston units in the carrier.
  • the elliptical contour allows a large piston area and thus a large power transmission with simultaneous rotation.
  • the individual elements of the piston unit can be turned out of round, that is elliptical, so that the production of the individual brake piston units and the receiving spaces in the saddle is conceivably simple and inexpensive.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
EP18167668.5A 2018-04-17 2018-04-17 Unité d'étrier de frein Withdrawn EP3557090A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18167668.5A EP3557090A1 (fr) 2018-04-17 2018-04-17 Unité d'étrier de frein
US17/047,902 US20210108688A1 (en) 2018-04-17 2019-04-09 Brake caliper unit
ES19720776T ES3025792T3 (en) 2018-04-17 2019-04-09 Brake calliper unit
CN201980026223.6A CN112074669A (zh) 2018-04-17 2019-04-09 制动钳单元
PCT/EP2019/058978 WO2019201682A1 (fr) 2018-04-17 2019-04-09 Unité d'étrier de frein
EP19720776.4A EP3781832B1 (fr) 2018-04-17 2019-04-09 Unité d'étrier de frein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18167668.5A EP3557090A1 (fr) 2018-04-17 2018-04-17 Unité d'étrier de frein

Publications (1)

Publication Number Publication Date
EP3557090A1 true EP3557090A1 (fr) 2019-10-23

Family

ID=62017191

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18167668.5A Withdrawn EP3557090A1 (fr) 2018-04-17 2018-04-17 Unité d'étrier de frein
EP19720776.4A Active EP3781832B1 (fr) 2018-04-17 2019-04-09 Unité d'étrier de frein

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19720776.4A Active EP3781832B1 (fr) 2018-04-17 2019-04-09 Unité d'étrier de frein

Country Status (5)

Country Link
US (1) US20210108688A1 (fr)
EP (2) EP3557090A1 (fr)
CN (1) CN112074669A (fr)
ES (1) ES3025792T3 (fr)
WO (1) WO2019201682A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024121087A1 (de) * 2024-07-24 2026-01-29 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompakt-Bremszangeneinheit mit Tandem-Bremszylinder für ein Schienenfahrzeug

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089916A (en) * 1980-11-19 1982-06-30 Nissin Kogyo Kk Vacuum vehicle brake booster
DE9420376U1 (de) * 1994-12-20 1995-02-09 Wintersohl, Daniel, 51588 Nümbrecht Bremssattel
WO2003006287A1 (fr) * 2001-07-13 2003-01-23 Gordon Holmes Systeme de freinage hydraulique a inversion automatique a inertie sur une remorque
EP1604128A1 (fr) * 2002-11-29 2005-12-14 Robert Bosch Gmbh Circuit de freinage comportant un frein de parking hydraulique
FR2897129A1 (fr) * 2006-02-07 2007-08-10 Peugeot Citroen Automobiles Sa Verin et systeme de frein pour vehicule automobile.
DE102015206184A1 (de) * 2015-04-08 2016-10-13 Robert Bosch Gmbh Feststellbremse für ein Kraftfahrzeug mit einem Bremskraftverstärker und Verfahren zur Durchführung eines Feststellbremsvorgangs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5677915B2 (ja) * 2011-09-06 2015-02-25 カヤバ工業株式会社 キャリパブレーキ装置
KR101327944B1 (ko) * 2012-01-25 2013-11-13 주식회사 만도 디스크 브레이크

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2089916A (en) * 1980-11-19 1982-06-30 Nissin Kogyo Kk Vacuum vehicle brake booster
DE9420376U1 (de) * 1994-12-20 1995-02-09 Wintersohl, Daniel, 51588 Nümbrecht Bremssattel
WO2003006287A1 (fr) * 2001-07-13 2003-01-23 Gordon Holmes Systeme de freinage hydraulique a inversion automatique a inertie sur une remorque
EP1604128A1 (fr) * 2002-11-29 2005-12-14 Robert Bosch Gmbh Circuit de freinage comportant un frein de parking hydraulique
FR2897129A1 (fr) * 2006-02-07 2007-08-10 Peugeot Citroen Automobiles Sa Verin et systeme de frein pour vehicule automobile.
DE102015206184A1 (de) * 2015-04-08 2016-10-13 Robert Bosch Gmbh Feststellbremse für ein Kraftfahrzeug mit einem Bremskraftverstärker und Verfahren zur Durchführung eines Feststellbremsvorgangs

Also Published As

Publication number Publication date
CN112074669A (zh) 2020-12-11
US20210108688A1 (en) 2021-04-15
ES3025792T3 (en) 2025-06-09
EP3781832A1 (fr) 2021-02-24
EP3781832B1 (fr) 2025-03-05
WO2019201682A1 (fr) 2019-10-24

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